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Severe Thunderstorms and Locally Heavy Rain Today

Severe thunderstorms and locally heavy rain are possible today from the southern plains to the Ohio valley and Mid-Atlantic. Elsewhere, hot temperatures are expected to persist for the interior Pacific Northwest. Elevated to critical fire weather conditions will occur in northeast Montana. Read More >

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Mostly Cloudy

63°F

17°C

Humidity 70%
Wind Speed S 10 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 28 May 12:56 pm EDT
Extended Forecast for

Groton CT

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 65. South wind around 8 mph.

    Partly Sunny

    High: 65 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 52. Southeast wind around 9 mph.

    Increasing
    Clouds

    Low: 52 °F

  • Memorial
    Day

    Memorial Day: Rain and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 59. East wind 10 to 16 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    High: 59 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm.  Mostly cloudy, with a low around 53. Northeast wind 6 to 10 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Cloudy

    Low: 53 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Northeast wind 6 to 8 mph becoming southeast in the afternoon.

    Partly Sunny

    High: 67 °F

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers before 2am.  Mostly cloudy, with a low around 56.

    Chance
    Showers

    Low: 56 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    Partly Sunny

    High: 71 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Partly Cloudy

    Low: 57 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    Mostly Sunny

    High: 69 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 65. South wind around 8 mph.
Tonight
Increasing clouds, with a low around 52. Southeast wind around 9 mph.
Memorial Day
Rain and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 59. East wind 10 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 53. Northeast wind 6 to 10 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 67. Northeast wind 6 to 8 mph becoming southeast in the afternoon.
Tuesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 68.
Click Map For Forecast
Point Forecast:
Groton CT
 41.32°N 72.09°W (Elev. 3 ft)
12:25 pm EDT May 28, 2017
1pm EDT May 28, 2017-6pm EDT Jun 3, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database